Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
Welcome to 603 Auto Salvage, We Sell Quality Used Auto Parts at Affordable prices.
$50.00
Used engine control module (ECM) for 1999 Pontiac Grand Prix, part number 09361735. This electronic brain box controls engine functions and has been inspected and is ready to ship. Stock number PCM0309, interchange 5455.
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This engine control module (ECM) was removed from a 1999 Pontiac Grand Prix and is the electronic brain that manages your vehicle’s engine operations. Also known as an engine brain box, this unit carries OEM part number 09361735 and has been thoroughly inspected by our technicians. The module is currently on our shelf and ready for immediate shipment to get your Grand Prix running properly again.
The engine control module is a critical component that controls fuel injection, ignition timing, emissions systems, and other vital engine functions. When ECMs fail, vehicles may experience poor performance, stalling, rough idle, or complete failure to start. Common causes of ECM failure include electrical surges, moisture damage, or component wear over time. A properly functioning ECM is essential for optimal engine performance and fuel economy.
At 603 Auto Salvage, we maintain an inventory of over 50,000 quality used auto parts from more than 1,100 vehicles. Our experienced team carefully inspects each electronic component to ensure reliable performance. Contact us to verify compatibility with your specific vehicle or browse our extensive online catalog to find the parts you need for your automotive repair project. 50,000+ parts in stock from over 1,100 vehicles. Contact us or call (603) 392-7313 for anything you need.
| Part | Engine Control Module (ECM) – Electronic Brain Box |
| Interchange # | 5455 |
| OEM Part Number | 09361735 |
| Side | N/A |
| Part Grade | X — Grade X – Inspected electronic control module, ready to ship |
| Warranty | 90-Day Warranty (Standard warranty for tested electronic components) |
| Type | Used OEM |
| Year / Make / Model | 1999 PONTIAC GPRIX |
| VIN | N/A |
| Vehicle Stock # | PCM0309 |
Every part at 603 Auto Salvage is inspected before listing. Here is what was verified on this Engine Control Module (ECM) – Electronic Brain Box:
| ✅ Connector Pins | All pins intact and free of corrosion |
| ✅ Housing Integrity | Case shows no cracks or damage |
| ✅ Circuit Board | Internal components visually inspected |
| ✅ Part Number Verification | Confirmed OEM part number 09361735 |
| ✅ Mounting Points | All mounting tabs and brackets intact |
Based on interchange #5455, this part fits the following vehicles. Always confirm fitment with your mechanic before purchasing.
| Year(s) | Make | Model | Notes |
|---|---|---|---|
| 1999-2003 | Pontiac | Grand Prix | 3.1L and 3.8L engines – verify part number match |
| 1999-2002 | Buick | Century | With matching engine configuration |
| 1999-2002 | Buick | Regal | 3.1L and 3.8L applications |
| 1999-2003 | Oldsmobile | Intrigue | Verify compatibility with specific engine |
| 1999-2001 | Chevrolet | Lumina | Contact us to verify fitment for other years and models |
Questions? Need a shipping quote? Call us now:
603 Auto Salvage | 233 Main St, Plaistow, NH 03865
Mon–Fri 8am–4:30pm | Sat 8am–2pm | Sun Closed
This ECM fits 1999 Pontiac Grand Prix models, but you should verify the part number 09361735 matches your current unit. We recommend checking your VIN and engine configuration to ensure proper compatibility.
Most ECMs require programming to match your vehicle’s VIN and security system. Contact a qualified technician or dealership to have the module properly programmed after installation.
Common symptoms include engine stalling, rough idle, poor fuel economy, check engine lights, or complete failure to start. If multiple engine sensors show problems simultaneously, the ECM may be the root cause.
Check the label on your current ECM or consult your vehicle’s service manual. The part number 09361735 should match exactly, and our team can help verify compatibility with your specific vehicle.
ECMs commonly fail due to electrical surges from jump-starting, moisture intrusion, vibration damage, or normal component aging. Power supply issues and corroded connections can also damage the internal circuits.
While physically installing an ECM is straightforward, proper programming requires specialized equipment. Most installations should be performed by a qualified automotive technician to ensure correct programming and functionality.
Looking for this part by number? Here are the reference numbers:
| GM Part Number | 09361735 |
| Interchange Number | 5455 |
| Stock Number | PCM0309 |
| Source | Price Range | Warranty | Notes |
|---|---|---|---|
| Dealer (New OEM) | $450-$650 | 1 year | Brand new, longest wait time |
| Aftermarket | $200-$350 | Varies | Non-OEM fitment, quality varies |
| Other Salvage Yards | $75-$125 | 30–60 days | Varies in quality and testing |
| 603 Auto Salvage | $50 | 90-Day Warranty | Tested, Grade X, ships in 24hrs |
🔍 Free Fitment Check
Call us with your VIN and we will verify compatibility for free. No obligation, no pressure — just answers.
Our parts specialists check interchange data in real-time
This part ships via FedEx Ground. Prices are estimates — call for an exact quote to your zip code.
| Region | Estimated Cost | Transit Time |
|---|---|---|
| New England (NH, MA, ME, VT, CT, RI) | $15 – $30 | 1–3 business days |
| Northeast (NY, NJ, PA, MD, VA) | $20 – $40 | 2–4 business days |
| Southeast (FL, GA, NC, SC, TN) | $25 – $45 | 3–5 business days |
| Midwest (OH, MI, IL, IN, WI, MN) | $30 – $50 | 3–5 business days |
| Southwest (TX, AZ, NM, OK) | $35 – $55 | 4–6 business days |
| West Coast (CA, OR, WA) | $40 – $65 | 5–7 business days |
Local pickup is always free. Free delivery within 30 miles of Plaistow, NH.
Ready to order? Call (603) 392-7313 or add to cart above. We are here to help.
| Weight | 3 lbs |
|---|
RatingAwesome experience Ray was the driver picked up my junk vehicle quickly efficiently and they even called to pick it up before schedule day because they had an opening. They kept their word super happy. I will definitely be using them again in the future.
Great yard ! Parts aren’t damaged and it is the cleanest yard I’ve ever seen! The staff is pretty amazing too !!
good lead times and customer service, look forward to more business here
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Drove from new york, Julie was a sweetheart asked questions to make sure that my ECU was the proper part number and was compatible with my manual Accord, price was phenomenal I highly recommend them for any parts your car may need. Definitely the best salvage yard around
Great experience at 603 Auto Salvage! ⭐️ The owner and employee were both extremely helpful and easy to work with. I was able to find everything I needed in one stop — about seven different items — which saved me a lot of time and hassle. Good selection, fair pricing, and friendly service. Definitely recommend checking them out if you're looking for parts. I’ll be back again! 👍🔧🚗
I had a great experience with 603 Auto Salvage Inc. The team was very helpful and quickly found the exact part I needed. They kept me informed and made the pickup process easy. The price was very fair, and the service was excellent. I would definitely recommend them and will use them again if I need parts in the future.
Excellent support, she helped me with my order service was fast and exactly what I needed.Very Professional.
The customer service at 603 was great. They found the part I needed very quickly and promptly notified me when it was ready to be picked up. There wasn’t any other place in the area that had what I needed. The price was very good also. I will be using them again for sure.
I had a great experience. They didn’t just look up the part I needed they took the time to explain how to install it and made sure I understood everything. I even received a call back, which I really appreciated. Everyone I spoke with was friendly and patient, and I never felt brushed off. I truly felt taken care of. Highly recommend if you want knowledgeable people who actually care about helping you. Kristy Thanks Guys!
Drove from Connecticut to get here. Had parts for a relatively rare car that dozens of other places didn't have. I got a hood, fender and bumper cover that were in near mint condition for a fifteen year old car. They pulled all the parts for me and had everything ready within an hour. Very reasonably priced. Highly recommend
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Great service! Picked up a door for my car and it was in good condition.
Purchased a wheel they had it ready the next day , not damaged, and ready for pickup. Julie was helpful at the front desk giving a specific time frame and held to it.
Super Friendly, Easy to work with, Accurate inventory, and great prices
Great place, have a wide selection of cars. They definitely will have what you need if not they will help a ton!
Great customer service and great prices!!! I purchased an engine that was in excellent condition and could not beat the price. The woman at the desk, Julie, was very helpful and knowledgeable. They put the engine on the back of the truck for me And secured it as well. I highly recommend this place. I will be coming here for any parts I need.
Eldy was awesome he helped load my car door and was informative. The lady Julie at the counter was super helpful and got back to me fast regarding the replacement door I needed. Highly recommended
Bought a seat belt from here and a seat great service very polite will recommend
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